Fix up CSSStyleDeclaration::cssText serialization

third_party/WebKit/Source/build/scripts/make_style_shorthands.py

 #!/usr/bin/env python
 # Copyright (C) 2013 Intel Corporation. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 36 matching lines @@
             ('StylePropertyShorthand.h'): self.generate_style_property_shorthand_h}
 
         self._longhand_dictionary = defaultdict(list)
 
         self._properties = {property_id: property for property_id, property in self._properties.items() if property['longhands']}
 
         for property in self._properties.values():
             property['longhand_property_ids'] = map(enum_for_css_property, property['longhands'].split(';'))
             for longhand in property['longhand_property_ids']:
                 self._longhand_dictionary[longhand].append(property)
+        for longhands in self._longhand_dictionary.values():
+            # Sort first by number of longhands in decreasing order, then alphabetically
+            longhands.sort(
+                key=lambda property: (-len(property['longhand_property_ids']), property['name'])
+            )
 
     @template_expander.use_jinja('StylePropertyShorthand.cpp.tmpl')
     def generate_style_property_shorthand_cpp(self):
         return {
             'properties': self._properties,
             'longhands_dictionary': self._longhand_dictionary,
         }
 
     @template_expander.use_jinja('StylePropertyShorthand.h.tmpl')
     def generate_style_property_shorthand_h(self):
         return {
             'properties': self._properties,
         }
 
 if __name__ == '__main__':
     in_generator.Maker(StylePropertyShorthandWriter).main(sys.argv)